JNTUK R19 B.Tech CSE 2-2 Operating Systems Material/ Notes PDF Download

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JNTUK R19 B.Tech CSE 2-2 Operating Systems Material/ Notes PDF Download: If you’re a JNTUK R19 Computer Science and Engineering (CSE) B.Tech 2-2 student seeking comprehensive study materials on Operating Systems, you’ve come to the right place. Our JNTUK R19 B.Tech Operating Systems Material caters specifically to CSE students, covering vital topics such as processes, threads, mutual exclusion, CPU scheduling, deadlock, memory management, and file systems. With a focus on both UNIX/Linux and Windows, the material delves into the internal operations of modern operating systems, offering in-depth insights into File Systems and Input-Output Management. Enhance your understanding of Device Driver and Secondary Storage (Disk) Mechanisms, and delve into the critical analysis of Security and Protection Mechanisms within Operating Systems. For your convenience, we provide Operating Systems Notes in PDF format for easy access and effective study.

JNTUK R19 CSE B.Tech 2-2 Operating Systems Material – Units

Unit 1 Syllabus PDF Download | JNTUK R19 B.Tech Operating Systems Material

Operating Systems Overview: Operating system functions, Operating system structure, Operating systems operations, Computing environments, and Open-Source Operating Systems. System Structures: Operating System Services, User and Operating-System Interface, systems calls, Types of System Calls, system programs, operating system structure, operating system debugging, and System Boot.

Unit 2 Syllabus PDF Download | JNTUK R19 B.Tech Operating Systems Material

Process Concept: Process scheduling, Operations on processes, Inter-process communication, and Communication in client-server systems. Multithreaded Programming: Multithreading models, Thread libraries, Thread issues. Process Scheduling: Basic concepts, Scheduling criteria, Scheduling algorithms, Multiple processor scheduling, Thread scheduling. Inter-process Communication: Race conditions, Critical Regions, Mutual exclusion with busy waiting, Sleep and wakeup, Semaphores, Mutexes, Monitors, Message passing, Barriers, Classical IPC Problems – Dining philosophers problem, Readers and writers problem.

Unit 3 Syllabus PDF Download | JNTUK R19 B.Tech Operating Systems Material

Memory-Management Strategies: Introduction, Swapping, Contiguous memory allocation, Paging, Segmentation. Virtual Memory Management: Introduction, Demand paging, Copy on-write, Page replacement, Frame allocation, Thrashing, Memory-mapped files, Kernel memory allocation.

Unit 4 Syllabus PDF Download | JNTUK R19 B.Tech Operating Systems Material

Deadlocks: Resources, Conditions for resource deadlocks, Ostrich algorithm, Deadlock detection and recovery, Deadlock avoidance, Deadlock prevention.

File Systems: Files, Directories, File system implementation, management, and optimization. Secondary-Storage Structure: Overview of disk structure, and attachment, Disk scheduling, RAID structure, and Stable storage implementation.

Unit 5 Syllabus PDF Download | JNTUK R19 B.Tech Operating Systems Material

System Protection: Goals of protection, Principles, and domain of protection, Access matrix, Access control, Revocation of access rights. System Security: Introduction, Program threats, System and network threats, Cryptography for security, User authentication, Implementing security defenses, Firewalling to protect systems and networks, and Computer security classification. Case Studies: Linux, Microsoft Windows.

JNTUK R19 CSE B.Tech 2-2 Operating Systems Notes – Outcomes

• Operating System Generations: Progressed from batch processing to AI, managing hardware, providing a user interface, and enabling application execution.
• Program, Process, and Thread Concepts: Programs are task-specific instructions; processes are executing instances, and threads are lightweight processes for concurrent execution.
• CPU Scheduling Algorithms and Performance: FCFS, SJN, RR, and Priority Scheduling exhibit varying performance based on algorithm efficiency.
• Inter-Process Communication (IPC) Methods: Shared Memory (Variable = Shared Value) and Message Passing (Send and Receive between processes).
• Memory Management Schemes and Page Replacement Techniques: Paging divides memory into fixed-sized pages; Segmentation organizes memory logically, and Page Replacement Techniques include FIFO, LRU, and Optimal.

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